Answer:
=5x^2+4x−5
Step-by-step explanation:
Let's simplify step-by-step.
3x2−5x+1+2x2+9x−6
=3x2+−5x+1+2x2+9x+−6
Combine Like Terms:
=3x2+−5x+1+2x2+9x+−6
=(3x2+2x2)+(−5x+9x)+(1+−6)
=5x2+4x+−5
The answer is 51/100! i had this question! ( yes it may seem confusing because all of the symbols but this is what happens when you copy and paste it! )
The answer is the third option, -7.
Hope this helps.
There are 10 sides becuase the equation set up is 
and equal it to 144.
Solve for n and get 10
Answer:
Parallel: G and F
perpendicular: G & H, F & H
Step-by-step explanation:
G and F are parallel because they will never cross, where as both are perpendicular to H because they intersect at 90°
